- Generating station
- Generative organ
- Genetic
- Genetic disorder
- Genetic modification
- Genital organs
- Gent
- Genteel
- Genteelness
- Gentlemanly
- Gentlemans agreement
- Gentlewoman
- Genuflect
- Genus
- Geo
- Geochemistry
- Geographically
- Geological age
- Geologically
- Geologist
- Geologize
- Geomancy
- Geometrician
- Geomorphology
- Geophytic
- Geotropic
- Germ
- Germ-free
- Germane
- Get about
- Get ahead
- Get back
- Get hold of
- Get hold of the wrong end of the stick
- Get into
- Get on someones nerves
- Get on with
- Get ones act together
- Get out
- Get the keys of the street
- Get there
- Get to the bottom
- Get together
- Get torether
- Get tough with
- Get-at-able
- Getting heated
- Getting up
- Geyser
- ghaut
- Gherao
- Gherkin
- Ghost
- Ghost-story
- Ghostwriter
- Gibbon
- Giblets
- Gift of the gab
- Gigantic
- Giggler
- Giggly
- Gigolo
- Gills
- Girlish
- Gilt-ginger-bread phenomenon
- Gimlet-eyed
- Gimmick
- Gimmickry
- Gingelly
- Ginger wine
- Gingerbread
- Gingivitis
- Gip
- Gird
- Girl friday
- Girlie
- Give a big hand
- Give a fig
- Give a lead
- Give a wide berth
- Give and take
- Give chase
- Give in marriage
- Give it him hot
- Give on the go by
- Give one quarter to
- Give ones word
- Give person the lie
- Give points to
- Give somebody walking papers
- Give the glad eye to
- Give the mittens
- Give thought
- Give vent
- Give voice to
- Given
- Gizmo
- Gizzard
- Glace
- Giro